Quick answers
- Does Susan S. Tang accept Medicare assignment?
- Yes. Medicare's clinician data says Susan S. Tang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Susan S. Tang see?
- In 2024, CMS data shows 29 Original Medicare patients and 52 services for Susan S. Tang. This counts Original Medicare only and measures volume, not quality.
- What is Susan S. Tang's NPI number?
- 1003994609. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Susan S. Tang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 29 |
|---|---|
| Services billed to Medicare | 52 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Dxa bone density measurement of hip, pelvis, spine (77080)37 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure41%
Practice locations
Addresses where Susan S. Tang is enrolled with Medicare (CMS data updated October 2, 2026).
- 2200 Ofarrell StSan Francisco, CA 94115 (415) 833‑2000
- 2238 Geary BlvdSan Francisco, CA 94115 (415) 833‑2200
- 2425 Geary BlvdSan Francisco, CA 94115 (415) 833‑2200
- 700 Lawrence ExpySanta Clara, CA 95051 (408) 851‑1000
- 710 Lawrence Express WaySanta Clara, CA 95051 (408) 851‑1000
Group practices
Medicare enrollment lists Susan S. Tang as a member of this group (CMS data updated October 2, 2026).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Nuclear Medicineprimary
- Internal Medicinealso
Other nuclear medicine doctors in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in Permanente Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003994609 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians